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The objectives of this video are to discuss impact and the mechanics behind the analysis of impacts followed by a brief introduction and discussion to the coefficient of restitution. First of all, the video defines the term impact as two or more bodies collide with each other over a very short period that creates large impulsive forces. Next, the video briefly talks about central impact which occurs when the direction of motion of the mass centers of the objects is in line with the impact.
Moving on, the video vividly illustrates the physical occurrence of impact assuming there is a time when the particles have the same velocity & afterward uses the coefficient of restitution to deduce velocity of particles after impact. Next, the video talks about the value of coefficient of restitution which value basically found in between 0 and 1 due to loss of mechanical energy in the collision in terms of heat, sound, light etc. Finally, the video refers to watch next video for a workout example.
Mechanics, the study of forces and physical bodies, underpins a very large proportion of all forms of engineering. A thorough understanding of mechanics is essential to any successful engineer. This course helps develop an understanding of the nature of forces with consideration for how they may be simplified in an engineering context. The conditions of equilibrium are then used to solve a number of problems in 2D and 3D before moving on to a broad range of topics including centroids, distributed loads, friction and virtual work. The course will also provide an introduction to dynamics, with a particular focus on the effects that forces have upon motion.